8. Tutoring
Industry: tutoring, schools, and instruction;
Ranking on Forbes’s list: #10;
The Internet offers excellent learning opportunities. Still, today the thirst for knowledge is so big that both online and offline tutoring have become incredibly profitable operations. You can start your tutoring career on platforms like Udemy or Coursera, where you can create and share online courses. If you are more into personal tutoring, try advertising your services in the local papers or on social networks. After you receive the first returns from your business, you can rent a classroom and organize courses and lectures for more students.